Sprint has just barely had the Nexus S 4G available for sale and they have already begun rolling out the first software update. Though before anyone gets super excited thinking this is going to be a special update, we should tell you that it is just a maintenance update. That said, the update arrives as software version GRJ22 and brings a few fixes. According to Sprint, the GRJ22 update should take about 5 minutes to download/install and includes;